llama model switch

app.py

@@ -5,7 +5,8 @@ import cohere
 
 # Model & API setup
 COHERE_MODEL = "command-r-plus"
-HF_MODEL = "mistralai/Mistral-7B-Instruct-v0.3"
+# Llama 3 3B instruct
+HF_MODEL = "meta-llama/Llama-3.2-3B-Instruct"
 
 # Fetch API keys from environment variables
 HF_API_KEY = os.getenv("HF_API_KEY")